package day08.bai01;

import java.util.Scanner;

public class lianxi05 {
    public static void main(String[] args) {
        char jk[]=new char[5];




        Scanner sc=new Scanner(System.in);
        System.out.println("请输入一个字符串");
        String str=sc.next();
        String startStr=str.substring(0,3);
        String endStr=str.substring(7);
        String result=startStr+"****"+endStr;
        System.out.println(result);
    }
}
